The newly designed SMAN460 Digital Manifold - more rugged than ever and display all the readings you need at once. View live superheat, target superheat, and subcooling with wireless measurements, to see how your charge is affecting the system in real-time. Wireless SMAN460 Includes: 4-Port Digital Manifold, Built in Micron Gauge, Pipe Clamps and Padded Case. Measures: 2 Pressures, 2 Temperatures, Vacuum in Microns Calculates: Superheat, Subcooling, Target Superheat, Vapor Saturation, Liquid Saturation 3/8" Vacuum Port for Faster Evacuations Communicates Wirelessly with Fieldpiece Wireless Instruments Expanded Temperature Tolerance to go from Freezers to Rooftops Large Screen with All Measurements in Clear Sight 45 Built in Refrigerants Easy Future Refrigerant Updates via Mini USB Cable (cable not included)